/* The default resolver is recorded using Tcl_SetAssocData with key
* ASSOC_DEFAULTRES to record the Resolver*. If it was explicitly
* created with `adns new-resolver' then ix will be >=0, and the
/* The default resolver is recorded using Tcl_SetAssocData with key
* ASSOC_DEFAULTRES to record the Resolver*. If it was explicitly
* created with `adns new-resolver' then ix will be >=0, and the